Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71918 ACE/HCP4A

71918 ACE/HCP4A

Dimensions

d		90	mm
D		125	mm
B		18	mm
d₁		101	mm
d₂		97.9	mm
D₁		114.22	mm
r_1,2	min.	1.1	mm
r_3,4	min.	0.6	mm
a		35.9	mm

Abutment dimensions

d_a	min.	96	mm
d_b	min.	93.2	mm
D_a	max.	119	mm
D_b	max.	121.8	mm
r_a	max.	1	mm
r_b	max.	0.6	mm
d_n		103.5	mm

Calculation data

Basic dynamic load rating	C	28.6	kN
Basic static load rating	C₀	23.2	kN
Fatigue load limit	P_u	0.915	kN
Attainable speed for grease lubrication		15500	r/min
Attainable speed for oil-air lubrication		24000	r/min
Ball diameter	D_w	11.112	mm
Number of balls	z	24
Reference grease quantity	G_ref	7	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	260	N
Static axial stiffness, preload class A		182	N/µm
Preload class B	G_B	780	N
Static axial stiffness, preload class B		274	N/µm
Preload class C	G_C	1560	N
Static axial stiffness, preload class C		360	N/µm
Calculation factors
Calculation factor	f	1.19
Calculation factor	f₁	0.98
Calculation factor	f_2A	1
Calculation factor	f_2B	1.04
Calculation factor	f_2C	1.08
Calculation factor	f_HC	1.01
Calculation factor	e	0.68
Calculation factor (single, tandem)	Y₂	0.87
Calculation factor (single, tandem)	Y₀	0.38
Calculation factor (single, tandem)	X₂	0.41
Calculation factor (back-to-back, face-to-face)	Y₁	0.92
Calculation factor (back-to-back, face-to-face)	Y₂	1.41
Calculation factor (back-to-back, face-to-face)	Y₀	0.76
Calculation factor (back-to-back, face-to-face)	X₂	0.67

Mass

Mass bearing

0.46

Model Number: 71918 ACE/HCP4A
Inner Diameter：90mm Outer Diameter：125mm Width：18mm
Reference speed:- Limiting speed:-
Type：Bearings, units and housings Super-precision bearings Angular contact ball bearings Angular contact ball bearings, super-precision
Details： Angular contact ball bearings, super-precision
Update date：2025-12-09
Application:Liposuction device,luminescent reagent,marine test,Machine tool accessories,historical instruments,magnetic elements,oral medical device,non-ferrous metal alloy,Polymer,climb ladder,knitted fabrics
Similar models:71918 CD/HCP4A 71918 CD/P4AH1 71918 ACD/P4AL 71918 ACE/HCP4A S71918 ACE/HCP4A 71918 ACE/P4A 71918 CD/HCP4AL 71918 ACD/HCP4AH1 S71918 CE/P4A 71918 CD/HCP4AH1
BEARING POWER International Trading Co.,Ltd. specialize in 71918ACE/HCP4A products，there is large inventory of SKF 71918 ACE/HCP4A Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the 71918 ACE/HCP4A Which SKF 71918ACE/HCP4A is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express. Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

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105x130x12 HMSA10 V	105	130	12	Seals
20538	52.4002	72.19	11.13	Seals
30771	78.0034	162.9918	16.002	Seals
7013 CE/HCP4A	65	100	18	Bearings, units and housings
708 CD/P4AH	8	22	7	Bearings, units and housings
82x160x15 HMS5 RG	82	160	15	Seals
FSAF 1520 TLC	87.3125	-	-	Bearings, units and housings
GB 4932	-	-	148	Bearings, units and housings
HA 3130 L	131.7625	180	111	Bearings, units and housings
K 45x59x32	45	59	32	Bearings, units and housings
W 63801-2RS1	12	21	7	Bearings, units and housings
YELAG 205-100	25.4	52	44.4	Bearings, units and housings

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